GENOTOXICITY AND ANTIOXIDANT ENZYME ACTIVITIES INDUCED BY THE CAPTAN FUNGICIDE IN THE ROOT OF BELL PEPPER (Capsicum annuum L. var. grossum L. cv. Kandil)

Year 2019, Volume: 20 Issue: 2, 97 - 103, 15.10.2019

Müge Saylan Elif Yüzbaşıoğlu Eda Dalyan İlgin Akpınar Muammer Unal

https://doi.org/10.23902/trkjnat.546647

Cited By: 1

Abstract

In this study, we investigated the toxic effects of the captan fungicide
by using morphological, physiological and cytological parameters in bell pepper
(Capsicum annuum L. var. grossum L.
cv. Kandil) root tissue. The seeds of bell pepper were germinated in Petri dishes
including different concentrations (0, 25μM, 50μM, 100μM, 150μM) of captan
fungicide for 7 days. The germination rates and root lengths were significantly
reduced in captan-treated seeds. All concentrations caused a significant
decrease in mitotic index and increase in different types of chromosomal
abnormalities such as c-mitosis and chromosome stickness in meristematic cells
of bell pepper root. Captan treatment also induced oxidative stress by leading
to membrane damage with an increase in root electrolyte leakage in 7 days-old
bell pepper root. Catalase, glutathione reductase and total peroxidase
activities increased under different concentrations as a response to oxidative
stress. Our results showed that captan fungicide had negative effects on germination
and growth in bell pepper seed.

Keywords

antioxidant enzyme activity, antioxidant enzyme activity, pesticide toxicity

Supporting Institution

Scientific Research Projects Coordination Unit of Istanbul University, The Scientific and Technological Research Council of Turkey (TÜBİTAK)

Project Number

Scientific Research Projects Coordination Unit of Istanbul University (Project numbers: 41885) and the Scientific and Technological Research Council of Turkey (TÜBİTAK), Grant No: 114Z016.

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